Lua APA (7ú heag.)

STEVENS RICHARD W. (2002). MARKETING RESEARCH: TEXT AND CASES. JAICO PUBLISHING HOUSE.

Lua i Stíl Chicago (17ú heag.)

STEVENS RICHARD W. MARKETING RESEARCH: TEXT AND CASES. MUMBAI: JAICO PUBLISHING HOUSE, 2002.

Lua MLA (9ú heag.)

STEVENS RICHARD W. MARKETING RESEARCH: TEXT AND CASES. JAICO PUBLISHING HOUSE, 2002.

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